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Maths Puzzle
Numerical Ability
need help on how to slove algebra thanks tasha
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f(x)=x^2+2
1) using the function above, prove or disprove that f is one to one by using the defination of a one to one function.
2) graph the function and determine whet
2x2 and 3x3 Systems: answer has to be in ordered pairs, or ordered triples.
Question 1. 2(x-3y)+3(y-2)= 4(x-y)-5
3/2x - 5/6y = -1
Question 2. 2x - y + z= -4